<template>
    <div>
        <el-breadcrumb>
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <!-- 搜索与添加区域 -->
            <el-row :gutter="20">
                <el-col :span="9">
                    <el-input placeholder="请输入用户名称" v-model="queryInfo.query" clearable @clear="getUserList">
                        <template #append>
                            <el-button icon="el-icon-search" @click="getUserList" />
                        </template>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
                </el-col>
            </el-row>
        <!-- 用户列表区 -->
        <el-table :data="userlist" border stripe>
            <el-table-column type="index" />
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态">
                    <template slot-scope="scope">
                                    <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)" />
                                </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"/>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"/>
                        <!-- 分配角色按钮 -->
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini"/>
                        </el-tooltip>
                    </template>
            </el-table-column>
        </el-table>
        <!-- 分页区 -->
        <el-pagination :page-sizes="[1, 2, 5, 10]" :current-page="queryInfo.pagenum" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" @size-change="handleSizeChange" @current-change="handleCurrentChange">
        </el-pagination>
        </el-card>
        <!-- 添加用户的对话框 -->
        <el-dialog title="提示" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
            <!-- 内容主体区域 -->
            <el-form ref="addFormRef" :model="addForm" :rules="addFormRules" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username" />
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password" />
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email" />
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile" />
                </el-form-item>
            </el-form>

            <!-- 底部区域 -->
            <span slot="footer">
                    <el-button @click="addDialogVisible = false">取消</el-button>
                    <el-button type="primary" @click="addUser">确定</el-button> 
                </span>
        </el-dialog>
        <!-- 修改用户对话框 -->
        <el-dialog title="修改用户对话框" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <!-- 内容主体区域 -->
            <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled/>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email" />
                </el-form-item>
                <el-form-item label="手机号" prop="mobile">
                    <el-input v-model="editForm.mobile" />
                </el-form-item>
            </el-form>
            <!-- 底部区域 -->
                <span slot="footer">
                        <el-button @click="editDialogVisible = false">取消</el-button>
                        <el-button type="primary" @click="editUserInfo">确定</el-button> 
                    </span>
        </el-dialog>

    </div>
</template>

<script>
    export default {
        data() {
            // 验证邮箱的规则
            var checkEmail = (rule, value, cb) => {
                    const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
                    if (regEmail.test(value)) {
                        return cb()
                    }
                    cb(new Error('请输入正确的邮箱'))
                }
                // 验证手机号的规则
            var checkMobile = (rule, value, cb) => {
                // 验证手机号的正则表达式
                const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[3678]|18[0-9]|14[57])[0-9]{8}$/
                if (regMobile.test(value)) {
                    return cb()
                }
                cb(new Error('请输入正确的手机号'))
            }
            return {
                // 获取用户列表的参数对象
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 2
                },
                userlist: [],
                total: 0,
                //控制添加用户对话框的显示与隐藏
                addDialogVisible: false,
                // 添加用户的表单数据
                addForm: {
                    username: '',
                    password: '',
                    email: '',
                    mobile: ''
                },
                // 添加表单的验证规则对象
                addFormRules: {
                    username: [{
                        required: true,
                        message: '请输入用户名',
                        trigger: 'blur'
                    }, {
                        min: 3,
                        max: 10,
                        message: '用户名的长度在3~10个字符',
                        trigger: 'blur'
                    }],
                    password: [{
                        required: true,
                        message: '请输入密码',
                        trigger: 'blur'
                    }, {
                        min: 6,
                        max: 15,
                        message: '用户名的长度在6~15个字符',
                        trigger: 'blur'
                    }],
                    email: [{
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    }, {
                        validator: checkEmail,
                        triggre: 'blur'
                    }],
                    mobile: [{
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    }, {
                        validator: checkMobile,
                        triggre: 'blur'
                    }]
                },
                // 控制修改用户的显示与隐藏
                editDialogVisible: false,
                editForm: {},
                // 修改表格验证
                editFormRules:{
                    email: [{
                        required: true,
                        message: '请输入邮箱',
                        trigger: 'blur'
                    }, {
                        validator: checkEmail,
                        triggre: 'blur'
                    }],
                    mobile: [{
                        required: true,
                        message: '请输入手机号',
                        trigger: 'blur'
                    }, {
                        validator: checkMobile,
                        triggre: 'blur'
                    }]
                }
            }
        },
        created() {
            this.getUserList()
        },
        methods: {
            async getUserList() {
                const {
                    data: res
                } = await this.$http.get('/users', {
                    params: this.queryInfo
                })
                console.log(res)
                if (res.meta.status !== 200) return this.$$message.error('获取用户列表失败')
                this.userlist = res.data.users
                this.total = res.data.total
            },
            // 监听 pagesize 改变的事件
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize
                this.getUserList()
            },
            // 监听页码值改变的事件
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage
                this.getUserList()
            },
            async userStateChanged(userinfo) {
                console.log(userinfo);
                const {
                    data: res
                } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
                if (res.meta.status !== 200) {
                    userinfo.mg_state = !userinfo.mg_state
                    return this.$message.error('更新用户状态失败')
                }
                if (userinfo.mg_state) {
                    this.$message.success('用户状态开启')
                } else {
                    this.$message.success('用户状态关闭')
                }

            },
            // 添加监听用户对话框
            addDialogClosed() {
                this.$refs.addFormRef.resetFields()
            },
            //点击按钮添加用户
            addUser() {
                this.$refs.addFormRef.validate(async valid => {
                    if (!valid) return
                    // 可以添加用户的请求
                    const {data: res} = await this.$http.post('users', this.addForm)
                    if (res.meta.status !== 201) {
                        this.$message.error('添加用户失败！')
                    }
                    this.$message.success('添加用户成功！ ')
                    //隐藏添加用户的对话框
                    this.addDialogVisible = false
                    // 重新获取用户列表数据
                    this.getUserList()
                })
            },
            // 展示修改对话框
            async showEditDialog(id){
                const {data:res} =  await this.$http.get('/users/'+ id)
                if(res.meta.status !== 200) {
                    return this.$message.error('查询用户失败')
                }
                this.editForm = res.data
                this.editDialogVisible = true
            },
            // 监听修改用户对话框的关闭事件
            editDialogClosed() {
                this.$refs.editFormRef.resetFields()
            },
            //修改用户信息提交
            editUserInfo() {
                this.$refs.editFormRef.validate(async valid => {
                    if (!valid) return
                    const {data: res} = await this.$http.put('users/'+ this.editForm.id, {email:this.editForm.email,mobile:this.editForm.mobile})
                    console.log(res);
                    if(res.meta.status !== 200){
                        return this.$message.error('更新用户信息失败')
                    }
                    this.editDialogVisible = false
                    this.getUserList()
                    this.$message.success('更新成功')
                })
            },
            async removeUserById(id){
                const confirmResut = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err)
                // 如果用户确认了删除，则返回值为字符串 confirm
                // 如果用户取消了删除，则返回值为字符串 cancel
                if(confirmResut !=='confirm'){
                    return this.$message.info('已取消删除')
                }
                const {data:res}  = await this.$http.delete('users/'+ id)
                if(res.meta.status !== 200){
                    return this.$message.error('删除失败')
                }
                this.$message.success('删除成功')
                this.getUserList()
            
            }
        }
    }
</script>

<style lang="less" scoped>

</style>